Stakeholder Engagement｜Stakeholder Communications and Outcomes

Stakeholder Communications and Outcomes

Nuvoton follows the five assessment principles of the AA1000 Stakeholder Engagement Standard (AA1000 SES), including responsibility, influence, tension, diverse perspectives, and dependency. We identify 7 categories of key stakeholders, including employees, customers, suppliers/contractors, government agencies/associations, shareholders/investors, community groups and non-profit organizations, and the media. We have a dedicated investor relations unit to respond to investors' inquiries or letters periodically and establish diverse and transparent communication channels to effectively understand stakeholders' concerns regarding economic, environmental, and social (including human rights) topics and specific opinions, providing timely responses to stakeholders' suggestions. After communication and negotiation with stakeholders and relevant units, the responsible units track the significance of topics and regularly report to the Board of Directors.

The Company offers a comprehensive complaint mechanism for stakeholders. Relevant units collect and manage complaints, and corresponding management units track them. Major incidents are discussed at functional committees. For material topics on sustainability, the Sustainability Development Committee summarizes ESG performance indicators and major sustainability themes of the year, which are then included in the agenda of the Board of Directors for communication and feedback. The Sustainability Development Committee reports the results of ESG performance indicator implementation and annual major sustainability themes to the Board of Directors. The communication status of various stakeholders for the year 2024 was reported to the Board of Directors on August 1, 2025. The communication status and report content for various categories of stakeholders in the most recent year are as follows:

Stakeholder Categories	Significance for Nuvoton	Key Concerns	Communication Channels and Frequency	2024 Communication Achievements and Responses to Issues
Employees	Employees are vital assets to Nuvoton and are crucial to supporting the Company's competitiveness.	Integrity operation and corporate governance Talent management Regulatory compliance Productivity and business performance	Labor-management meetings (quarterly) Supervisor quarterly meetings (quarterly) Supervisor operational intelligence sharing sessions (quarterly) Employee welfare committee (quarterly) Employee suggestion box (irregular) Complaint mailbox and hotline (irregular) Internal website (irregular) Various organizational meetings (irregular) Training courses (irregular) New employee induction support and care (1st/30th/90th day after induction) Diversity and inclusion series activities (irregular)	Nuvoton Taiwan Conducted 4 labor-management meetings Conducted 4 supervisor quarterly meetings Held 4 supervisor operational intelligence sharing sessions Organized 4 Town Hall Meetings Addressed 0 case of workplace misconduct and sexual harassment complain Addressed 9 cases handled through employee assistance/internal communication channels Published 26 articles related to the corporate philosophy on the employee website homepage Issued TO ALL announcements on the internal website Established an internal platform for one-stop employee services (Nuvoton Universe) and HR service channel information New employee induction support and care (average satisfaction with induction experience: 88.3(out of 100 points) Held 2 diversity and inclusion series activities Nuvoton Japan Conducted 4 labor-management meetings Issued TO ALL announcements on internal website Handled three cases through the hotline
Customers	Customers are the main source of Nuvoton's revenue. Nuvoton is committed to providing the highest quality products and services.	Integrity operation and corporate governance Energy and greenhouse gas management Green products Regulatory compliance Productivity and business performance Innovation in research and development Risk management Supply chain management	Customer satisfaction surveys (annually) Customer surveys or on-site audits (irregular) Company website member area (irregular) Technical seminars (irregular) Telephone and email (irregular)	Organized and attended a total of 63 online or offline high-value innovation product customer training seminars and communicated with potential customers, discussing market trends and product/technical support information, receiving favorable feedback from customers Ensured smooth communication channels, such as company website emails, chat windows, technical communities, offline telephones, and daily visits and utilized the D365 customer service system to optimize the immediacy of technical support knowledge base and responses Continuously updated online digital documents, audio, and technical support resources to assist customers in rapid product development
Suppliers/Contractors	Suppliers provide the raw materials needed for the Company's operation and production. Nuvoton is committed to pursuing mutual growth with suppliers.	Integrity operation and corporate governance Green products Regulatory compliance Innovation in research and development Supply chain management	Nuvoton Taiwan Supplier ESG & RBA self-assessment (annually) Distribute SAQ questionnaire to evaluate the ESG performance of major suppliers Nuvoton Japan Supplier QCDS assessment (annually) Sustainability survey (biennial) Conflict minerals survey (annually) Business continuity survey (biennial) Stakeholder concern survey (annually) Quality audit (annually, based on selected standards) Environmental audit (annually, based on selected standards)	Nuvoton Taiwan Completed annual evaluation of major suppliers 100% of suppliers signed the RBA Code of Conduct 100% of suppliers signed the "Conflict-Free Minerals Declaration" ¹ 100% of suppliers signed the "No Use of Hazardous Substances Declaration" 93% of major suppliers published ESG reports Major suppliers have conducted greenhouse gas emissions inventory (ISO 14064). Collected baseline and reduction targets for greenhouse gas emissions from major suppliers Nuvoton Japan 100% of major suppliers completed QCDS assessments 100% of major suppliers conducted sustainability surveys Completed investigations of suppliers to the refineries under review and respond to 100% of customer inquiry requirements Requested 100% of major suppliers to participate in the online survey 100% of major suppliers finished business continuity assessments 100% of suppliers completed quality audits 100% of suppliers completed environmental audits
Government Agencies/Associations	Nuvoton complies with local government regulations and actively cooperate with relevant policies to eliminate any form of illegal behavior.	Integrity operation and corporate governance Talent management Energy and greenhouse gas management Regulatory compliance Risk management	Nuvoton Taiwan Official documents (irregular) Regulatory briefing sessions (irregular) Communication through industrial associations and regulatory authorities in the science park (irregular) Nuvoton Japan Consultation with regulatory authorities on environmental law standards On-site inspection of waste disposal suppliers	Nuvoton Taiwan Participated in 12 meetings of environmental protection and safety authorities ² Received 18 official documents from the Science Park Association Participated in 4 joint defense organization meetings of Environmental Protection Bureau and Science and Technology Management Bureau Nuvoton Japan Complied with 11 environmental regulations including the Energy Conservation Law Conducted on-site audits for 30 waste transportation and management companies
Shareholders/Investors	Corporate or individuals who have invested or are willing to invest in Nuvoton	Green products Regulatory compliance Innovation in research and development Risk management Productivity and business performance Integrity operation and corporate governance	Annual general meeting (AGM) (annually) Earnings conferences (quarterly) Annual financial report (annually) Company website (irregular) Stock market updates (regular/irregular)	Held 4 quarterly online earnings conferences in 2024 with a cumulative attendance of over 400 people Organized 1 shareholder meeting Disclosed the annual reports once Disclosed the consolidated financial reports 4 times Released monthly revenue announcements 12 times Irregularly discloses significant company information Regularly disclosed company operational information in accordance with the law
Community and Non-profit Organizations	Nuvoton seeks social harmony and progress, focusing on local community topics and building a better society.	Integrity operation and corporate governance Talent management Regulatory compliance	Company Website (irregular) Email (irregular) Facebook Fan Page/Instagram (irregular)	Conducted 2 community visits Organized 6 blood donation activities Held 4 lectures by renowned individuals Organized 2 second-hand book donation events Conducted 4 campus forums
Media	The media serves as a bridge between Nuvoton and its stakeholders, ensuring timely access to information released by Nuvoton, and assisting Nuvoton in disclosing positive sustainability information to stakeholders.	Integrity operation and corporate governance Talent management Innovation in research and development Productivity and business performance	Earnings conferences (quarterly)	Held 4 earnings conferences Published 38 press releases

¹Nuvoton requires that suppliers involved in products containing minerals of concern to the Responsible Minerals Initiative (RMI) must sign the ''Conflict-Free Minerals Declaration.''

²Taiwan Power Company's power-related meetings: 2 sessions; Hsinchu Science Park Administration meetings: 9 sessions; Park Association meetings: 1 session. Total: 12 sessions.